Electric vehicle charging monitoring device and method
US-11932131-B2 · Mar 19, 2024 · US
responsive to the rate of change of electrical quantities
responsive to the rate of change of electrical quantities · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/44 |
| Official title | responsive to the rate of change of electrical quantities |
| Display label | responsive to the rate of change of electrical quantities |
| Total patents | 206 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 18 |
| 2017 | 16 |
| 2018 | 17 |
| 2019 | 16 |
| 2020 | 18 |
| 2021 | 27 |
| 2022 | 12 |
| 2023 | 19 |
| 2024 | 26 |
| 2025 | 24 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for switching and protection of a load based on current rise speed
US-11923796-B2 · Mar 5, 2024 · US
Method and device for monitoring an electrical network in a rail vehicle, and rail vehicle
US-10153633-B2 · Dec 11, 2018 · US
System and method for controlling an electrical receptacle based on operational profile
US-2018331530-A1 · Nov 15, 2018 · US
Reverse current protection circuit
US-10116291-B2 · Oct 30, 2018 · US
Current Limiting for High Current Drivers
US-2018309286-A1 · Oct 25, 2018 · US
Electrical device with power quality event protection and associated method
US-2018261995-A1 · Sep 13, 2018 · US
Multi-node system fault management
US-2018254626-A1 · Sep 6, 2018 · US
Semiconductor-switch control device
US-2018198271-A1 · Jul 12, 2018 · US
Electrical device with power quality event protection and associated method
US-10003185-B2 · Jun 19, 2018 · US
Digital power supply circuit and liquid crystal driving device
US-2018166027-A1 · Jun 14, 2018 · US
Travelling Wave Protection Of A Transmission Line Based On High-Pass Filtering
US-2018145505-A1 · May 24, 2018 · US
Electrostatic discharge (ESD) protection circuit
US-9972999-B2 · May 15, 2018 · US
Method and Device for Monitoring an Electrical Network in a Rail Vehicle, and Rail Vehicle
US-2018115149-A1 · Apr 26, 2018 · US
Electronic circuit for protecting a load against over-voltage
US-9893510-B2 · Feb 13, 2018 · US
Trip control circuit for circuit breaker
US-2017317483-A1 · Nov 2, 2017 · US
Wide range current monitoring system and method for electronic trip units
US-2017288387-A1 · Oct 5, 2017 · US
Impedance shift analysis to predict failures in an electrical power distribution network
US-2017264139-A1 · Sep 14, 2017 · US
Apparatus for Detecting Defect of Electric Power System
US-2017248660-A1 · Aug 31, 2017 · US
Electronic circuit for single-event latch-up detection and protection
US-2017237250-A1 · Aug 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H3/44?
- CPC H02H3/44 is the Cooperative Patent Classification code for “responsive to the rate of change of electrical quantities.”
- How many patents are filed under CPC H02H3/44 (responsive to the rate of change of electrical quantities)?
- Our database includes 206 publications tagged with this CPC code.
- Is patent activity under CPC H02H3/44 growing?
- Publication counts under this code: 26 in 2024 vs 24 in 2025 (latest complete years).